You drag and drop. You transfer via USB cable. You build with LEGOs. You integrate the two.

And now you have a ferocious looking crocogator which guards your room. It waits and watches for movement, and when it detects it, the crocogator attacks!

The sky's the limit with Lego Mindstorms NXT 20. The software will not only help you program these robots, but also offer you challenges to learn more about how to program them. Let your kids use their creativity in building their own robot NXT with this Lego Mindstrorms NXT 20 kit.

Take LEGO to the next level with MINDSTORMS NXT 20. Combining the versatility of LEGO Mindstorms NXT system 20 with the construction of a brick of microcomputer software and intuitive programming, this construction kit allows you to build robots that see, speak, feel and move.

Designed for ages 10 and up, the 2.0 robotics tool set features everything you need to create and program your first robot in approximately one hour. After that, you can create an endless lineup of robots that do what you want--if you can dream it, you can build it.

No boundaries with Lego Mindstroms NXT 20.

The software will not only help you program these robots, but also offer you challenges to learn more about how to program them.

Creating a MINDSTORMS robot is challenging -- but not too difficult -- with an illustrated step-by-step booklet and software showing the way. The booklet gives you instructions for building a basic "Quick Start" robot only, which is an easy introduction to the LEGO MINDSTORMS NXT 20 experience.

This robot took our two adult testers about 30 minutes to build and 30 minutes to program. After that, they spent a lot of time just playing with their creation and testing its abilities.

Once you master the basics of Mindstorms, you have to use the software for instructions on more advanced creations.

You can also use the MINDSTORMS web site to find instructions for many other robots, or you can create robots on your own. No matter what you choose to create, the principles are the same: just build the robot using the LEGO elements in the kit, and program it on your computer using the software. so, find out the robot come to life.

They also loved the way this set encourages inventive play -- all the cool hardware that makes up the set can be used to build any robot you dream up. Finally, our testers liked how this set offers a great balance of learning and fun, and encourages interest in science, computers, and engineering.